
We discuss shuffle identities between Feynman graphs using the Hopf algebra structure of perturbative quantum field theory. For concrete exposition, we discuss vertex function in massless Yukawa theory.
13p, 5 fig.(eps), ref. updated, to appear in Lett.Math.Physics
High Energy Physics - Theory, Feynman integrals and graphs; applications of algebraic topology and algebraic geometry, FOS: Physical sciences, Hopf algebras (associative rings and algebras), Perturbative methods of renormalization applied to problems in quantum field theory, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), Mathematics - Quantum Algebra, FOS: Mathematics, Quantum Algebra (math.QA), Feynman diagrams
High Energy Physics - Theory, Feynman integrals and graphs; applications of algebraic topology and algebraic geometry, FOS: Physical sciences, Hopf algebras (associative rings and algebras), Perturbative methods of renormalization applied to problems in quantum field theory, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), Mathematics - Quantum Algebra, FOS: Mathematics, Quantum Algebra (math.QA), Feynman diagrams
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